The workflow of the IMAP protocol is roughly as follows

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Application Scenario

The SMTP protocol is mainly used in the following scenarios:
Sending emails: Whether it is an individual user or a corporate user, the SMTP protocol is essential when sending emails.
Communication between mail servers: The delivery of emails between different mail servers also relies on the SMTP protocol.


What is IMAP protocol?

Definition and working principle
IMAP (Internet Message Access Protocol) is a protocol for vietnam telegram number database getting emails from a mail server. Unlike POP3 (Post Office Protocol 3), IMAP allows users to manage and store emails on the server instead of just downloading them locally.

The IMAP protocol allows users to access and manage their emails on different devices. For example, you can view the same email on your computer, mobile phone, and tablet because the email is saved on the server rather than on a specific device.

Workflow

Establish connection: The email client establishes a connection with the email server through the IMAP protocol, usually using port 143 or 993 (SSL/TLS).
Authenticate user: The client provides the server with a username and password for identity authentication.
Synchronize email: The client synchronizes emails with the server. Users can view, read, delete, and mark emails, and these operations will be synchronized on the server.
Disconnect: When the user completes the operation, the client disconnects from the server, but the emails are still stored on the server.


Application Scenario